Dik : f(x) = 2x + 1 (fog)(x) = 4x - 5 tentukan : a. g(x) b. g(-2)
Matematika
TiaraDP
Pertanyaan
Dik : f(x) = 2x + 1
(fog)(x) = 4x - 5
tentukan :
a. g(x)
b. g(-2)
(fog)(x) = 4x - 5
tentukan :
a. g(x)
b. g(-2)
1 Jawaban
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1. Jawaban Anonyme
jawab
f(x) = 2x + 1
fog(x)= 4x - 5
f{ g(x)} = 4x - 5
2, g(x) + 1 = 4x - 5
2. g(x) = 4x - 5 - 1 = 4x - 6
g(x)= 2x - 3
g(-2) = 2(-2) - 3
g(-2) = - 7